Back and seat for a chair



FIG. 1 is a perspective view showing the left side, top and front of a back and seat for a chair which forms my new design, the long broken lines in this and other figures being for environmental purposes only and forming no part of my design;

FIG. 2 is a perspective view showing the right side, top and rear thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The short broken lines in FIGS. 1-8 are understood to represent stitching. 

CLAIM The ornamental design for a back and seat for a chair, as shown and described. 